CATV 1550nm External Modulation Optical Transmitter

CATV 1550nm External Modulation Optical Transmitter

ST1550 series Advanced type Externally Modulated CATV optical transmitter adopts low noise, narrow bandwidth, and continuous wave laser as its light source.
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Product Introduction

Our company will continue to be based on the market, focus on the industry, persevere and help the development of Satellite Optical Receiver, IP To Analog Modulator, Mini FTTH Passive Optical Receivers industry. We make unremitting efforts to shape corporate image and improve service quality and advocate brand service. Focusing on the development of the main business while expanding the business is our future development road, and to repay the country and society as the ultimate goal. We have vigorously implemented the talent development strategy, and formed a fair and equitable employment mechanism that embraces all the talents. We rely on the enterprise spirit of 'Quality wins customers, reputation creates value' to provide customers with high-quality products and high-standard services.

Summary

1550 External transmitter uses high linearity LiNbO3 external modulator to modulate signal. It eliminates the Chirp Effect of 1550nm direct modulation laser. Due to adopting owned system optimized control technology & using top grade key parts , the machine’s technique performance index achieves the standard of same advanced products in the world totally.


Optical Transmitter Display

1550 External transmitter

 Parameter for 1 output

Performance

IndexSupplement

Optic 

feature

Operating wavelength(nm)1540~1563
ITU-TG.692
Wavelength adjustable range(nm)±1.6 (±200GHz)
Wavelength adjustable mode
±0.05nm stepping
Linewidth(MHz)≤1FWHM(Δλ)
Side mode suppression ratio(dB)≥45SMSR
Equivalent noise intensity(dB/Hz)≤-160RIN (20~1000MHz)
Output power(dBm)1×5Optional 1×3, 1×6, 1×7
Return loss(dB)≥55
optical fiber connector
SC/APCOptional FC/APC,LC/APC

RF

feature

Work bandwidth(MHz)47-86247~1000, 47~1080 optional
Input level(dBmV)18~28AGC
Flatness(dB)≤±0.7545~862MHz


≤±1.5862~1000MHz (optional)
Return loss(dB)>16
Input impedance(Ω)75
RF port
F-Female

Link 

feature

Transmit channel
PAL-D/60CH  PAL-D/99CH
CNR1(dB)≥52  ≥50.5Back to back
CNR2(dB)≥50.5 ≥4950Km optical fiber, 0dBm receive
CTB(dB)≤-65   ≤-65
CSO(dB)≤-65  ≤-65
SBS restrain(dBm)13
General featureSNMP network management interface
RJ45
Communication interface
RS232
Power supply(VAC)90~26550/60Hz
(VDC)-4830~72
Power Consume(W)≤50Single power works
Operating temp.(°C)0~50Machine temp. control automatically
Storage temp.(°C)-40~85
Operating relative humidity(%)5~95
Size(")19×14.5×1.75 (W)x(D)x(H)

Parameter for 2 output

Performance

Index
Wavelength ADJ. Range(nm)±1.6 (±200GHz)
Wavelength ADJ. Mode
±0.05nm stepping
Side mode suppression ratio(dB)≥45
Equivalent noise intensity(dB/Hz)≤-160
Input level(dBmV)18~28
Input impedance(Ω)75
RF connector
F-Female
SNMP NM interface
RJ45
Communication interface
RS232
Linewidth(MHz)Typ.=0.65
Output power(dBm)2*3,2*5, 2*6, 2*7, 2*9, 2*10, 2*11 optional
Return loss(dB)≥50

Company Info

Company Information

If you have any questions or want to get more inforamtion, just contact with:

WhatsApp/Wechat/Line: + 86 184 5798 0817  (Helena Chen)
Email/Skype:softel12@softel-optic.com  (Helena Chen)


We believe that, relying on the support of our customers and the strong production capacity of our factory, we can guarantee to provide customers with various CATV 1550nm External Modulation Optical Transmitter of high quality and low price. Our vision is to strengthen the awareness of quality service, establish a reputation and high-efficiency brand and improve our team spirit. Looking ahead to the future, we are filled with confidence. With our perfect after-sales service and excellent performance products, we hope to go hand in hand with various industries to create a better tomorrow!

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